dom/bindings/test/test_returnUnion.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <!--
   4 https://bugzilla.mozilla.org/show_bug.cgi?id=1048659
   5 -->
   6 <head>
   7   <meta charset="utf-8">
   8   <title>Test for Bug 1048659</title>
   9   <script src="/tests/SimpleTest/SimpleTest.js"></script>
  10   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  11   <script type="application/javascript">
  12   /* global TestInterfaceJS */
  13   /** Test for returning unions from JS-implemented WebIDL. **/
  14   SimpleTest.waitForExplicitFinish();
  15   SpecialPowers.pushPrefEnv({set: [["dom.expose_test_interfaces", true]]}, go);
  16
  17   function go() {
  18     var t = new TestInterfaceJS();
  19     var t2 = new TestInterfaceJS();
  20
  21     is(t.pingPongUnion(t2), t2, "ping pong union for left case should be identity");
  22     is(t.pingPongUnion(12), 12, "ping pong union for right case should be identity");
  23
  24     is(t.pingPongUnionContainingNull("this is not a string"), "this is not a string",
  25       "ping pong union containing union for left case should be identity");
  26     is(t.pingPongUnionContainingNull(null), null,
  27       "ping pong union containing null for right case null should be identity");
  28     is(t.pingPongUnionContainingNull(t2), t2,
  29       "ping pong union containing null for right case should be identity");
  30
  31     is(t.pingPongNullableUnion(t2), t2, "ping pong nullable union for left case should be identity");
  32     is(t.pingPongNullableUnion(12), 12, "ping pong nullable union for right case should be identity");
  33     is(t.pingPongNullableUnion(null), null, "ping pong nullable union for null case should be identity");
  34
  35     var rejectedBadUnion = false;
  36     var result = null;
  37     try {
  38       result = t.returnBadUnion();
  39     } catch (e) {
  40       rejectedBadUnion = true;
  41     }
  42     is(result, null, "bad union should not set a value for result");
  43     ok(rejectedBadUnion, "bad union should throw an exception");
  44
  45     SimpleTest.finish();
  46   }
  47
  48   </script>
  49 </head>
  50 <body>
  51 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1048659">Mozilla Bug 1048659</a>
  52 <p id="display"></p>
  53 <div id="content" style="display: none">
  54
  55 </div>
  56 <pre id="test">
  57 </pre>
  58 </body>
  59 </html>